Published Paper

Inserted: 12 dec 2019
Last Updated: 1 jul 2021

Journal: Trans. Amer. Math. Soc.
Volume: 374
Number: 7
Pages: 5037-5070
Year: 2021

Abstract:

We consider first order variational MFG in the whole space, with aggregative interactions and density constraints, having stationary equilibria consisting of two disjoint compact sets of distributions with finite quadratic moments. Under general assumptions on the interaction potential, we provide a method for the construction of periodic in time solutions to the MFG, which oscillate between the two sets of static equilibria, for arbitrarily large periods. Moreover, as the period increases to infinity, we show that these periodic solutions converge, in a suitable sense, to heteroclinic connections. As a model example, we consider a MFG system where the interactions are of (aggregative) Riesz-type.

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